Most families know that their kids need to exercise. In a poll that NPR recently conducted with the Robert Wood Johnson Foundation and the Harvard School of Public Health, practically all of the parents surveyed said it's important for their kids to exercise. But about one-third of them said that can be difficult.

Increasingly, people are continuing to work past 65. Almost a third of Americans between the ages of 65 and 70 are working, and among those older than 75, about 7 percent are still on the job. In Working Late, a series for Morning Edition, NPR profiles older adults who are still in the workforce.